Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cfmot.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 10:09:11 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
A / AAAA Records
- 185.172.125.49 ↩ cfmot.rackspeed-cloud.de
Mail Server IPs
- 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
- 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ns.rackspeed-dns.de hostmaster.rackspeed.de 2026021706 3600 600 1209600 600
Primary NS (mname)
ns.rackspeed-dns.de
Admin Email (rname)
hostmaster@rackspeed.de
Serial
2026021706
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns.rackspeed-dns.de
ns.rackspeed-dns.eu
ns.rackspeed-dns.net
ns.rackspeed-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:spf.crsend.com include:_spf_eucentral1.prod.hydra.sophos.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=reject; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 +a +mx include:spf.crsend.com include:_spf_eucentral1.prod.hydra.sophos.com ~all
- swisssign-check=hmZkEbSwbsB1adaJV2RpHrHBjj4
- sophos-domain-verification=6e43b71204cdf4578372e210868282a7a1e9438f92f0636771dd50bf944858a9
- MS=9A8194167E16DEC21A93942D104A367FE10591DC
- sophos-domain-verification=72cffab2370805ce76e3b70fae7d0f7ddef5c981
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